/usr/ is in libfreehep-swing-java 2.0.3-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/freehep/
/usr/share/
/usr/share/doc/
/usr/share/doc/libfreehep-swing-java/
/usr/share/doc/libfreehep-swing-java/changelog.Debian.gz
/usr/share/doc/libfreehep-swing-java/copyright
/usr/share/java/
/usr/share/java/freehep-swing.jar
/usr/share/maven-repo/org/freehep/freehep-swing/
/usr/share/maven-repo/org/freehep/freehep-swing/2.0.3/
/usr/share/maven-repo/org/freehep/freehep-swing/2.0.3/freehep-swing-2.0.3.pom
/usr/share/maven-repo/org/freehep/freehep-swing/debian/
/usr/share/maven-repo/org/freehep/freehep-swing/debian/freehep-swing-debian.pom
/usr/share/java/freehep-swing-2.0.3.jar
/usr/share/maven-repo/org/freehep/freehep-swing/2.0.3/freehep-swing-2.0.3.jar
/usr/share/maven-repo/org/freehep/freehep-swing/debian/freehep-swing-debian.jar